test/calcs/risk/classical/core_test:
test/calcs/risk/classical/core_test:

Updated `pre_execute` tests to use the correct IMTs, which gives a more rich
tests and exercises the special handling for the case of an SA IMT.


Former-commit-id: b7895c3cfdfb7a0d89306e53e62fb328d4a13b78
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine